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Category: Linux Ubuntu Server

Create an SSH tunnel to access localhost from the local PC

April 20, 2026
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 |  configuration, information, java, linux, Linux Ubuntu Server, macos, nexus, remote-access, ssh, ssh tunnel
An SSH tunnel (or SSH Port Forwarding) is like creating a secure, encrypted pipe between your computer and a remote server. It allows network traffic […]

install nexus on linux ubuntu server

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 |  artifacts, configuration, information, java, linux, Linux Ubuntu Server, macos, nexus, repository, ssh, ssh tunnel
From the /opt folder, use this link which points to the specific 64-bit version for Unix download decompress Once downloaded, we extract the files and […]

BIOS and UEFI

April 12, 2026
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 |  bios, configuration, firmware, information, linux, Linux Ubuntu Server, macos, uefi
BIOS (legacy mode – old) The BIOS is so old that when it boots, the processor is in “Real Mode”. It can only see 1 […]

dd command

April 11, 2026
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 |  command, information, linux, Linux Ubuntu Server, macos, pendrive USB
He is nicknamed “the disc surgeon” or “Disk Destroyer” (There is no verification question if you want to run the command) Be careful when using […]

be able to ping one’s own PC/server (from internet)

April 6, 2026
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 |  command, configuration, information, internet, linux, Linux Ubuntu Server, macos, server, windows
By default, in the router’s “firewall” settings, option “Block Anonymous Internet Requests” is enabled and blocks ping You need to disable it and save it […]

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